Patent Assignment
Reel/Frame 004002/0022
Assignment of Assignors Interest.
Recorded: 1982-05-21
Pages: 1
Assignor
RAY, CLIFFORD H.
Executed: 1982-05-14
Assignee
FAIRFIELD INDUSTRIES, INC., A CORP. OF DE
10052 HARWIN DRIVE, HOUSTON, TEXAS, 77036
Covered Property
(1)
Stacked Marine Seismic Source
Patent:
4,493,061 →
Application:
06/380,569 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Jul 3, 1989
From: FAIRFIELD INDUSTRIES INCORPORATED
To: FIRST CITY TEXAS-HOUSTON, N.A., A NATIONAL BANKING ASSOCIATION
Reel/Frame 005127/0022 →
Assignment of Assignor's Interest
Jul 26, 1996
From: DIGICON INC.
To: WELLS FARGO BANK (TEXAS), N.A.
Reel/Frame 008059/0820 →
Release of Security Interests and Liens in Patents
Nov 8, 1996
From: WELLS FARGO BANK, (TEXAS), N.A.
To: DIGICON, INC., N/K/A VERITAS DGC INC.
Reel/Frame 008215/0020 →